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 * <http://www.openoffice.org/license.html>
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//_________________________________________________________________________________________________________________
//  includes
//_________________________________________________________________________________________________________________

#include <bf_svtools/workingsetoptions.hxx>
#include <unotools/configmgr.hxx>
#include <unotools/configitem.hxx>
#include <tools/debug.hxx>
#include <com/sun/star/uno/Any.hxx>
#include <com/sun/star/uno/Sequence.hxx>
#include <itemholder1.hxx>

//_________________________________________________________________________________________________________________
//  namespaces
//_________________________________________________________________________________________________________________

using namespace ::utl                   ;
using namespace ::rtl                   ;
using namespace ::osl                   ;
using namespace ::com::sun::star::uno   ;

namespace binfilter
{

//_________________________________________________________________________________________________________________
//  const
//_________________________________________________________________________________________________________________

#define ROOTNODE_WORKINGSET             OUString(RTL_CONSTASCII_USTRINGPARAM("Office.Common/WorkingSet"))
#define DEFAULT_WINDOWLIST              Sequence< OUString >()

#define PROPERTYNAME_WINDOWLIST         OUString(RTL_CONSTASCII_USTRINGPARAM("WindowList"       ))

#define PROPERTYHANDLE_WINDOWLIST       0

#define PROPERTYCOUNT                   1

//_________________________________________________________________________________________________________________
//  private declarations!
//_________________________________________________________________________________________________________________

class SvtWorkingSetOptions_Impl : public ConfigItem
{
    //-------------------------------------------------------------------------------------------------------------
    //  public methods
    //-------------------------------------------------------------------------------------------------------------

    public:

        //---------------------------------------------------------------------------------------------------------
        //  constructor / destructor
        //---------------------------------------------------------------------------------------------------------

         SvtWorkingSetOptions_Impl();
        ~SvtWorkingSetOptions_Impl();

        //---------------------------------------------------------------------------------------------------------
        //  overloaded methods of baseclass
        //---------------------------------------------------------------------------------------------------------

        /*-****************************************************************************************************//**
            @short      called for notify of configmanager
            @descr      These method is called from the ConfigManager before application ends or from the
                         PropertyChangeListener if the sub tree broadcasts changes. You must update your
                        internal values.

            @seealso    baseclass ConfigItem

            @param      "seqPropertyNames" is the list of properties which should be updated.
            @return     -

            @onerror    -
        *//*-*****************************************************************************************************/

        virtual void Notify( const Sequence< OUString >& seqPropertyNames );

        /*-****************************************************************************************************//**
            @short      write changes to configuration
            @descr      These method writes the changed values into the sub tree
                        and should always called in our destructor to guarantee consistency of config data.

            @seealso    baseclass ConfigItem

            @param      -
            @return     -

            @onerror    -
        *//*-*****************************************************************************************************/

        virtual void Commit();

    //-------------------------------------------------------------------------------------------------------------
    //  private methods
    //-------------------------------------------------------------------------------------------------------------

    private:

        /*-****************************************************************************************************//**
            @short      return list of key names of ouer configuration management which represent oue module tree
            @descr      These methods return a static const list of key names. We need it to get needed values from our
                        configuration management.

            @seealso    -

            @param      -
            @return     A list of needed configuration keys is returned.

            @onerror    -
        *//*-*****************************************************************************************************/

        static Sequence< OUString > GetPropertyNames();

    //-------------------------------------------------------------------------------------------------------------
    //  private member
    //-------------------------------------------------------------------------------------------------------------

    private:

        Sequence< OUString >    m_seqWindowList     ;
};

//_________________________________________________________________________________________________________________
//  definitions
//_________________________________________________________________________________________________________________

//*****************************************************************************************************************
//  constructor
//*****************************************************************************************************************
SvtWorkingSetOptions_Impl::SvtWorkingSetOptions_Impl()
    // Init baseclasses first
    :   ConfigItem          ( ROOTNODE_WORKINGSET   )
    // Init member then.
    ,   m_seqWindowList     ( DEFAULT_WINDOWLIST    )
{
    // Use our static list of configuration keys to get his values.
    Sequence< OUString >    seqNames    = GetPropertyNames  (           );
    Sequence< Any >         seqValues   = GetProperties     ( seqNames  );

    // Safe impossible cases.
    // We need values from ALL configuration keys.
    // Follow assignment use order of values in relation to our list of key names!
    DBG_ASSERT( !(seqNames.getLength()!=seqValues.getLength()), "SvtWorkingSetOptions_Impl::SvtWorkingSetOptions_Impl()\nI miss some values of configuration keys!\n" );

    // Copy values from list in right order to ouer internal member.
    sal_Int32 nPropertyCount = seqValues.getLength();
    for( sal_Int32 nProperty=0; nProperty<nPropertyCount; ++nProperty )
    {
        // Safe impossible cases.
        // Check any for valid value.
        DBG_ASSERT( !(seqValues[nProperty].hasValue()==sal_False), "SvtWorkingSetOptions_Impl::SvtWorkingSetOptions_Impl()\nInvalid property value detected!\n" );
        switch( nProperty )
        {
            case PROPERTYHANDLE_WINDOWLIST      :   {
                                                        DBG_ASSERT(!(seqValues[nProperty].getValueTypeClass()!=TypeClass_SEQUENCE), "SvtWorkingSetOptions_Impl::SvtWorkingSetOptions_Impl()\nWho has changed the value type of \"Office.Common\\WorkingSet\\WindowList\"?" );
                                                        seqValues[nProperty] >>= m_seqWindowList;
                                                    }
                                                    break;
        }
    }

    // Enable notification mechanism of ouer baseclass.
    // We need it to get information about changes outside these class on ouer used configuration keys!
    EnableNotification( seqNames );
}

//*****************************************************************************************************************
//  destructor
//*****************************************************************************************************************
SvtWorkingSetOptions_Impl::~SvtWorkingSetOptions_Impl()
{
    // We must save our current values .. if user forget it!
    if( IsModified() == sal_True )
    {
        Commit();
    }
}

//*****************************************************************************************************************
//  public method
//*****************************************************************************************************************
void SvtWorkingSetOptions_Impl::Notify( const Sequence< OUString >& seqPropertyNames )
{
    // Use given list of updated properties to get his values from configuration directly!
    Sequence< Any > seqValues = GetProperties( seqPropertyNames );
    // Safe impossible cases.
    // We need values from ALL notified configuration keys.
    DBG_ASSERT( !(seqPropertyNames.getLength()!=seqValues.getLength()), "SvtWorkingSetOptions_Impl::Notify()\nI miss some values of configuration keys!\n" );
    // Step over list of property names and get right value from coreesponding value list to set it on internal members!
    sal_Int32 nCount = seqPropertyNames.getLength();
    for( sal_Int32 nProperty=0; nProperty<nCount; ++nProperty )
    {
        if( seqPropertyNames[nProperty] == PROPERTYNAME_WINDOWLIST )
        {
            DBG_ASSERT(!(seqValues[nProperty].getValueTypeClass()!=TypeClass_SEQUENCE), "SvtWorkingSetOptions_Impl::Notify()\nWho has changed the value type of \"Office.Common\\WorkingSet\\WindowList\"?" );
            seqValues[nProperty] >>= m_seqWindowList;
        }
        #if OSL_DEBUG_LEVEL > 1
        else DBG_ASSERT( sal_False, "SvtWorkingSetOptions_Impl::Notify()\nUnkown property detected ... I can't handle these!\n" );
        #endif
    }
}

//*****************************************************************************************************************
//  public method
//*****************************************************************************************************************
void SvtWorkingSetOptions_Impl::Commit()
{
    // Get names of supported properties, create a list for values and copy current values to it.
    Sequence< OUString >    seqNames    = GetPropertyNames  ();
    sal_Int32               nCount      = seqNames.getLength();
    Sequence< Any >         seqValues   ( nCount );
    for( sal_Int32 nProperty=0; nProperty<nCount; ++nProperty )
    {
        switch( nProperty )
        {
            case PROPERTYHANDLE_WINDOWLIST      :   {
                                                        seqValues[nProperty] <<= m_seqWindowList;
                                                    }
                                                    break;
        }
    }
    // Set properties in configuration.
    PutProperties( seqNames, seqValues );
}

//*****************************************************************************************************************
//  private method
//*****************************************************************************************************************
Sequence< OUString > SvtWorkingSetOptions_Impl::GetPropertyNames()
{
    // Build static list of configuration key names.
    static const OUString pProperties[] =
    {
        PROPERTYNAME_WINDOWLIST ,
    };
    // Initialize return sequence with these list ...
    static const Sequence< OUString > seqPropertyNames( pProperties, PROPERTYCOUNT );
    // ... and return it.
    return seqPropertyNames;
}

//*****************************************************************************************************************
//  initialize static member
//  DON'T DO IT IN YOUR HEADER!
//  see definition for further informations
//*****************************************************************************************************************
SvtWorkingSetOptions_Impl*  SvtWorkingSetOptions::m_pDataContainer  = NULL  ;
sal_Int32                   SvtWorkingSetOptions::m_nRefCount       = 0     ;

//*****************************************************************************************************************
//  constructor
//*****************************************************************************************************************
SvtWorkingSetOptions::SvtWorkingSetOptions()
{
    // Global access, must be guarded (multithreading!).
    MutexGuard aGuard( GetOwnStaticMutex() );
    // Increase ouer refcount ...
    ++m_nRefCount;
    // ... and initialize ouer data container only if it not already exist!
    if( m_pDataContainer == NULL )
    {
        m_pDataContainer = new SvtWorkingSetOptions_Impl;
        ItemHolder1::holdConfigItem(E_WORKINGSETOPTIONS);
    }
}

//*****************************************************************************************************************
//  destructor
//*****************************************************************************************************************
SvtWorkingSetOptions::~SvtWorkingSetOptions()
{
    // Global access, must be guarded (multithreading!)
    MutexGuard aGuard( GetOwnStaticMutex() );
    // Decrease ouer refcount.
    --m_nRefCount;
    // If last instance was deleted ...
    // we must destroy ouer static data container!
    if( m_nRefCount <= 0 )
    {
        delete m_pDataContainer;
        m_pDataContainer = NULL;
    }
}

//*****************************************************************************************************************
//  private method
//*****************************************************************************************************************
Mutex& SvtWorkingSetOptions::GetOwnStaticMutex()
{
    // Initialize static mutex only for one time!
    static Mutex* pMutex = NULL;
    // If these method first called (Mutex not already exist!) ...
    if( pMutex == NULL )
    {
        // ... we must create a new one. Protect follow code with the global mutex -
        // It must be - we create a static variable!
        MutexGuard aGuard( Mutex::getGlobalMutex() );
        // We must check our pointer again - because it can be that another instance of ouer class will be fastr then these!
        if( pMutex == NULL )
        {
            // Create the new mutex and set it for return on static variable.
            static Mutex aMutex;
            pMutex = &aMutex;
        }
    }
    // Return new created or already existing mutex object.
    return *pMutex;
}

}

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